Estimate O-Ring Weight from Size and Density
Enter the inside diameter, cross-section diameter and actual compound density. The estimate assumes an undeformed, circular-section O-ring and excludes coatings and manufacturing variation.
Weight (g) = π² × (inside diameter + cross-section diameter) × cross-section diameter² × density ÷ 4000. Use dimensions in millimetres and density in g/cm³.








